Your page and marketing look super professional! Do you have any social media that you post about this on? Social media can be super important for discovery. In such a saturated market, it's really hard to get people to pay attention on Itch itself but if you're showing personality and passion through social media, it can go a long way.
Also, I've never had to promote a game like you're doing so I don't really know, but in my opinion as an outside observer, you might want to change your title to use the subtitle that's on your page, not the one that compares it to other games. I personally feel like that takes a little away from the professionalism, but again, take my advice with a grain of salt on that.
I hope you figure it out and get the attention you want on the game! It sounds like when people play it they really enjoy it. It's just a matter of getting more eyes on it.